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_____
A.meet
B.spread
C.decrease
D.change
A.meet
B.spread
C.decrease
D.change
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Natural Gas1 Natural gas is produced from reservoirs deep beneath the earth's surface. It is a fossil fuel（矿物燃 料）,meaning that it is derived from organic material buried in the earth millions of years ago.The main corn- ponent of natural gas is methane（甲烷）.2 The popularity and use of clean natural gas have increased dramatically over the past 50 years as pipeline infrastructure（基础设施）has been installed to deliver it conveniently and economically to millions of residential,commercial and industrial customers worldwide.Today,natural gas service is available in all 50 states in the U.S.,and is the leading energy choice for fueling American homes and industries.More than 65 million American homes use natural gas.In fact,natural gas is the most economical source for home energyneeds,costing one-third as much as electricity. In addition to heating homes,much of the gas used in the United States is used as a raw material to manufacture a wide variety of products,from paint,to fibers for clothing,to plastics for healthcare,computing and furnishings.Natural gas is also used in a significant number of newelectricity-generating power plants.3 Natural gas is one of the safest and cleanest fuels available. It emits（发出）less pollution than other fossil fuels sources. When natural gas is burned,it produces mostly carbon dioxide（二氧化碳）and water va- por一the same substances emitted when humans breathe.Compared with some other fossil fuels,natural gas emits the least amount of carbon dioxide into the air when combusted（燃烧）一making natural gas the clea-- nest burning fossil fuel of all.4 The United States consumes about one-third of the world's natural gas output,making it the largest gas-consuming region in the world.The U.S.Department of Energy Information Administration forecasts thatnatural gas demand will grow by more than 50 percent by 2025.5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural gas can be found in Russia , West and North Africa and the Middle East. LNG（液化天然气）has been pro- duced domestically and imported in the United States for more than four decades.Today,the leading import-ers of LNG are Japan,Korea,France and Spain.When manufacturing many different products,people commonly use natural gas______________.A:over the past 50 yearsB:beneath the earth's surfaceC:by more than 50 percentD:for more than four decadesE:as a raw materialF:for home energy needs
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Working for Fun and Profit1.It's a sunny weekend morning. You decide to take a walk.Everything is quite except for a.group of people and some colorful objects you see about three blocks away.As you get closer,you notice that there are many things lying on the ground:some National Geographic magazines,a collection of toy trucks,some weight lifting equipment,two bicycles,and a set of chairs.People are parking cars,getting out,and looking over the objects in the driveway.You consider taking a detour around the group of people,but you are curious.Was there an accident?Is this a party?No!Welcome to your first garage sale!2.On the same morning,a friend of yours takes a drive.He makes a mistake at an intersection and takes a wrong turn.He passes a large parking lot full of people,not cars.He sees many multicolored objects.At first he thinks it's an art show. Then he decides it's a fair. He parks his car and gets out to explore.He's just arrived at his first flea market.3.Garage sales and flea market are popular in the United States.Many Americans find that they can make a little extra money and have fun being"weekend entrepreneurs”.They take outgrown clothing,appliances,toys,and books and resell them at garage sales and flea markets.4.Flea markets are generally open spaces in or out of town that become busy sales centers on weekends.People who want to sell new or used clothing,tools,furniture,or books rent a space for the day for a small amount of money and sell their merchandise.Shoppers from near and far come to get good buys on imported watches,house plants,magazines,microscopes,children's clothes,and handmade goods such as embroidered pillowcases or jewelry.Some shoppers even buy and sell antiques.They search flea markets for special treasures that they can resell in their own stores for lots of money.5.Garage sales are smaller than flea markets,and the merchandise consists mainly of household items.Dishes,pots and pans,coat hangers,and children's clothing are inexpensive and common at garage sales. People frequently have garage sales before they move and on weekends when the weather is nice.Sometimes several families gather their unwanted household goods and sell them together. More merchandise attracts more customers.6.Cleaning,organizing,pricing,and moving merchandise is hard work,but the popularity of flea market and garage sales proves that many Americans work for fun!Sometimes one can even buy something really good and cheap in a flea market.A:Right B:Wrong C:Not mentioned
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Global WarmingFew people now question the reality of global warming and its effects on the world's climate. Many scientists1the blame for recent natural disasters on the increase2the world's temperatures and are convinced that,more than3before,the Earth is at4from the forces of the wind,rain and sun.5to them,global warming is making extreme weather events,6as hurricanes and droughts,even more7and causing sea levels all around the world to8.Environmental groups are putting9on governments to take action to reduce the 10 of carbon dioxide which is given 11 by factories and power plants,thus attacking the problem at its source. They are in12of more money being spent on research into so-lar,wind and wave energy devices,which could then replace existing power13.Some scientists,14believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow,we would have to wait15hundred years to notice the results. Global warming,it seems,is here to stay.2._________A: in B: at C: by D: to
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There are so many people living in the city;it is densely populated.A:compactly
B:inexpensively
C:quickly
D:carefully
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TV Games ShowsOne of the most fascinating things about television is the size of the audience.A novel can be on the best sellers list with a sale of fewer than 100,000 .copies,but a popular TV show might have 70 million TV viewers.TV can make anything or anyone well-known overnight.This is the principle behind quiz or game shows,which put ordinary people on TV to play a game for the prizes and money.A quiz show can make anyone a star,and it can give away thou-sands of dollars just for fun.But all of this money can create problems.For instance,in the 1950s, quiz shows were very popular in the US and almost everyone watched them. Charles Van Doren, an English instructor,became rich and famous after winning money on several shows.He even had a career as a television personality.But one of the losers proved that Charles Van Doren was cheat-ing. It turned out that the show's producers,who were pulling the strings,gave the answers to the most popular contestants beforehand. Why?Because if the audience didn't like the person who won the game,they turned the show off. Based on his story,a movie under the title Quiz Show is on 40 years later.Charles Van Doren is no longer involved with TV.But game shows are still here,though they aren't taken as seriously. In fact,some of them try to be as ridiculous as possible.There are shows that send strangers on vacation trips together,or that try to cause newly-married couples to fight on TV,or that punish losers by humiliating them.The entertainment now is to see what people will do just to be on TV.People still win money,but the real prize is to be in front of an audience of mil-lions. Prizes and money are usually provided by TV stars and large companies for winners.A: RightB: WrongC: Not mentioned
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